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班氏跳小蜂Aenasiusbam bawalei Hayat是扶桑绵粉蚧Phenacoccus solenopsis Tinsley的优势种寄生蜂。本文研究了在限制选择和自由选择的条件下,扶桑绵粉蚧的2龄若虫、3龄若虫和雌成虫对该蜂的寄生率、发育历期、子代性比和个体大小的影响。结果表明:在两种选择条件下,班氏跳小蜂对扶桑绵粉蚧3龄若虫的寄生率显著高于对雌成虫和2龄若虫的寄生率,但寄生粉蚧雌成虫的子代雌雄性比显著高于寄生3龄若虫或2龄若虫的性比;在两种选择条件下,雌蜂在寄主三种虫龄(态)上的发育历期差异不显著,但是雄蜂在粉蚧雌成虫中的发育历期显著长于寄生2龄若虫或3龄若虫的发育历期;在两种选择条件下,寄生于粉蚧雌成虫的子代雌蜂和雄蜂的个体都是最大,其后足胫节长度显著长于寄生于2龄若虫或3龄若虫的子代胫节的长度。
Bentley jumping bee Aenasiusbam bawalei Hayat is the dominant species of parasitic wasps in Phenacoccus solenopsis Tinsley. In this paper, we investigated the effects of the 2nd instar nymphs, 3rd instar nymphs and adult female adults on the parasitism rate, developmental period, progeny ratio and individual size of Flos mongoica mesobites under restricted selection and free choice. The results showed that under the two selection conditions, the parasitism rate of B hoponye on the 3rd instar nymphs of FMCB was significantly higher than that on female adults and 2nd instar nymphs, but the offspring male and female Sex ratio was significantly higher than that of 3rd instar nymphs or 2nd instar nymphs. Under the two selection conditions, there was no significant difference in the developmental duration of the female bee at the three host instars. However, The developmental duration of adult adults was significantly longer than that of the 2nd instar nymphs or 3rd instar nymphs. Under the two selection conditions, the parasitized adult female and male bee individuals were the largest, The length of the tibia was significantly longer than the length of the tibiofemoral parasitizing the 2nd instar nymph or 3rd instar nymph.